#!/bin/sh
tar cvfz /root/저장될이름_`date +%y%m%d`.tar.gz /home/저장해야될 경로/public_html

저장될이름 : 앞 /root/에 저장함

저장해야될 경로 : 저장하고픈곳을 적어야함

%d day of month (01..31)
%D date (mm/dd/yy)
%e day of month, blank padded ( 1..31)
%F same as %Y-%m-%d
%g the 2-digit year corresponding to the %V week number
%G the 4-digit year corresponding to the %V week number

시간 옵션

%h same as %b
%H hour (00..23)
%I hour (01..12)
%j day of year (001..366)
%k hour ( 0..23)
%l hour ( 1..12)
%m month (01..12)
%M minute (00..59)